4. How will benefit from having a strong or healthy skill-related fitness?

Benefit of reducing the risk of many diseases

Explanation:

Regular exercises or any other physical activity will have great benefits. If an individual is doing fitness or regular exercises it will make his muscles and bones stronger which will improve his health.

It can improve cardiovascular health, overall health and it can improve respiratory health. Individual who is exercising is usually having a healthy weight, and with an improvement of its health in this way, he can have a great benefit of reducing the risk for diabetes, heart disease, cancer, and more.  

answer; i believe that the correct answer is (a) restriction);